Hilti Sid 4 A22 Parts Diagram [top] Jun 2026

Whether you are replacing a worn anvil, cleaning a sticky trigger, or rebuilding a shattered gearbox, keep a printed copy of the Sid 4 A22 parts diagram in your workshop. When your impact driver eventually fails (as all tools do), you will be ready to bring it back to life in 45 minutes rather than losing a day of work.

Look at the transmission section. You will see the drive belt or gear train connecting the motor shaft to the anvil. Hilti Sid 4 A22 Parts Diagram

A: Yes. The suffix indicates a revision. The parts diagrams are often incompatible. Always verify by Serial Number. Whether you are replacing a worn anvil, cleaning

| Diagram Ref | Part Name | Function | |-------------|-----------|----------| | 020 | Stator with windings | Fixed electromagnetic field | | 021 | Rotor (permanent magnet) | Rotates under stator field | | 022 | Front motor bearing | Supports rotor near impact mechanism | | 023 | Rear motor bearing | Supports rotor near fan | | 024 | Cooling fan (integral to rotor) | Draws air through vents | You will see the drive belt or gear